Fort Ransom is a city in Ransom County, North Dakota, United States. The population was 77 at the 2010 census. Fort Ransom was founded in 1880.
Fort Ransom is located at 46°31′16″N 97°55′45″W (46.521154, -97.929141). Fort Ransom is located in the Sheyenne River valley. Fort Ransom State Park is located nearby.
According to the United States Census Bureau, the city has a total area of 0.30 square miles (0.78 km2), all land.
As of the census of 2010, there were 77 people, 43 households, and 25 families residing in the city. The population density was 256.7 inhabitants per square mile (99.1/km2). There were 64 housing units at an average density of 213.3 per square mile (82.4/km2). The racial makeup of the city was 100.0% White.